>>51700835A. Kyogre’s Drizzle also supports its teammates and lets its Thunders hit 100% of the time
B. Kyogre is by far stronger on it’s own. Only Dracovish in Rain that it doesn’t set is stronger.
252+ SpA Choice Specs Kyogre Water Spout (150 BP) vs. 252 HP / 252+ SpD Arceus in Rain: 427-504 (96.1 - 113.5%) -- 75% chance to OHKO
252+ Atk Choice Band Gorilla Tactics Darmanitan-Galar Icicle Crash vs. 252 HP / 252+ Def Arceus: 229-271 (51.5 - 61%) -- guaranteed 2HKO
252+ Atk Choice Band Strong Jaw Dracovish Fishious Rend (170 BP) vs. 252 HP / 252+ Def Arceus: 339-399 (76.3 - 89.8%) -- guaranteed 2HKO
252+ Atk Choice Band Strong Jaw Dracovish Fishious Rend (170 BP) vs. 252 HP / 252+ Def Arceus in Rain: 508-598 (114.4 - 134.6%) -- guaranteed OHKO
C. Kyogre isn’t just a massive fire power Pokemon. It has better defensive profile than Dracovish and Darmanitan-G. This makes it way easier to do the actual damage dealing since it can actually switch in (especially now that Origin Pulse exists) and stay in more often.